Choi, Kyung Yun, and Hiroshi Ishii. "Bubble Talk: Open-source Interactive Art Toolkit for Metaphor of Modern Digital Chat." Proceedings of the Thirteenth International Conference on Tangible, Embedded, and Embodied Interaction. 2019.

Kyung Yun Choi and Hiroshi Ishii. 2023. The Stranger -........ -.-..- -. –...-. In Companion Publication of the 2023 ACM Designing Interactive Systems Conference (DIS '23 Companion). Association for Computing Machinery, New York, NY, USA, 74–76. https://doi.org/10.1145/3563703.3596648

Kyung Yun Yun Choi and Hiroshi Ishii. 2021. Therms-Up!: DIY Inflatables and Interactive Materials by Upcycling Wasted Thermoplastic Bags. In Fifteenth International Conference on Tangible, Embedded, and Embodied Interaction (TEI '21). Association for Computing Machinery, New York, NY, USA, Article 51, 1–8. DOI:https://doi.org/10.1145/3430524.3442457

Kyung Yun Choi, Hiroshi Ishii, ambienBeat:Wrist-worn Mobile Tactile Biofeedback for Heart Rate Rhythmic Regulation, ACM TEI ’20,